Trend Announces Results of Share Buyback

Tokyo, Japan - March 29, 2013 - Trend Micro (TSE: 4704), the global leader in cloud security and virtualization, today announced the results of its share buyback program under Article 156 of the Corporation Law of Japan, as applied pursuant to Article 165(3) of the Corporation Law.

This buyback program which was approved pursuant to a resolution adopted at a meeting of the Board of Directors held on March 6, 2013 has been concluded today.

1. Class of Capital Stock to be Purchase

Shares of Common Stock

2. Purchase period

March 7, 2013 to March 22, 2013 (based on trade date)

3. Number of shares purchased

688,100 shares

4. Aggregate cost of shares purchased

1,848,318,700 yen

Note: At the meeting of the Board of Directors held on March 6, 2013, the Board adopted a resolution approving the share buyback program as follows: